Tutkimuksen päätavoitteena oli parantaa ymmärrystä asennuskanta-tiedon ylläpidon menetelmistä sekä tärkeydestä. Sen lisäksi ymmärtää asennuskanta-tiedon rakenne ja sen luominen kohdeyrityksessä. Molempien prosessien osalta tämän hetkinen tomitusketju päivitettiin sekä yksittäisiä parannusehdotuksia tehtiin ketjun sujuvamman toiminnan takaamiseksi.Over the past twenty years a dramatic economic shift from goods to services has occurred. Companies have been interested in seeking additional revenues by offering after-sales services to their customers. This thesis shows why it is important to have clear understanding of what has been sold to a customer, i.e. to have a competent installed base. Furthermore, this thesis shows how to keep that information valid and how to utilize it in after-sales business.

The study was conducted for a company that manufactures weather systems and devices for environmental and industrial measurement. The company also offers its customers product-related after-sales services. The empirical analysis of this thesis consists of two individual sub-projects.

The first part focuses on the creation of installed base for products that have a system structure. The investigation will assess: which part of the organization is responsible for creating the system structures, update current process and train organization teams in question. The latter study focuses on the maintenance of an existing installed base. When the product is manufactured and delivered to the customer, it becomes Service's responsibility. This thesis answers the question which functionalities in Services participate updating and maintaining the installed base.

The research's main objective was to better comprehend the reasons behind maintaining installed base information, to understand installed base information for system structures and their creation process in case company. Processes for both current methods were updated as well as suggestions for improvements were made to individual steps to ease the current process.